1. seamless steel rod2, 2 years guarantee.3, easy install4, we are a factory5, fast shipmentsoft close gas spring / struts for machinery lid, light box,
billboard lid.This separate the oil from the gas inside the spring ,so that the damping can be very closely controlled in either
compression or extension .

Brief introduction:soft close gas spring also called mini support bar, it can play a
role in support, cushioning, there is no stop at trip. It used
comfortable, convenient installation. Mainly used in aircraft,
automobile, engineering machinery, furniture and office supplies
industry.